I've been using the MRM Glucosamine for several years now. It has helped keep me from having surgery on my knees for some time. Even my ortho surgeon thinks it's great. The service at IHerb has been fantastic.

This has the ideal doses of the two "most" proven joint supporting substances.
A recent study shows only taking both GS & CS together inhibits bone loss. Taking either one alone doesn't!
I take 3 capsules on an empty stomach upon waking with 8oz of bottled reverse osmosis water(Aquafina).
Taking on an empty stomach is said to have a greater effect.